(4-hydroxy-phenylazo)-[1,3,4]thiadiazole-2-carboxylic acid ethyl ester is a complex organic compound with the chemical formula C11H10N4O3S. It is characterized by a phenylazo group attached to a thiadiazole ring, which is further connected to a carboxylic acid group. The ethyl ester functional group is present, indicating that the carboxylic acid has been esterified with ethanol. (4-hydroxy-phenylazo)-[1,3,4]thiadiazole-2-carboxylic acid ethyl ester is known for its potential applications in the field of dyes and pigments, particularly for its color properties. It is synthesized through a series of chemical reactions involving the formation of the azo bond and the subsequent esterification of the carboxylic acid. Due to its specific structure, it may exhibit unique optical and electronic properties, making it a subject of interest in chemical research and development.
The CAS Registry Mumber 99845-53-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,4 and 5 respectively; the second part has 2 digits, 5 and 3 respectively. Calculate Digit Verification of CAS Registry Number 99845-53: (7*9)+(6*9)+(5*8)+(4*4)+(3*5)+(2*5)+(1*3)=201 201 % 10 = 1 So 99845-53-1 is a valid CAS Registry Number.